STMicroelectronics VIPER113LSTR: High-Voltage Converter

The VIPER113LSTR is a cutting-edge, high-voltage converter from STMicroelectronics, designed to deliver exceptional performance and reliability for a wide range of applications. This integrated circuit is part of the VIPerPlus family and is known for its energy-efficient operation and compact form factor, making it ideal for space-constrained applications.

This high-voltage converter is built using STMicroelectronics' advanced BCD (Bipolar, CMOS, DMOS) technology, which allows it to integrate a robust power MOSFET with a PWM (Pulse Width Modulation) control circuit on the same chip. The VIPER113LSTR operates over a wide supply voltage range, making it versatile for various power supply designs. It is particularly suited for applications requiring a high voltage range, such as off-line power supplies with a low power rating.

The VIPER113LSTR offers several key features that make it a preferred choice for designers. It boasts an 800V avalanche-rugged power section, which provides excellent robustness against surges and allows for reliable operation even under harsh conditions. Additionally, the device includes a built-in error amplifier and an oscillator with an adjustable frequency up to 200 kHz, which gives designers the flexibility to optimize their applications for efficiency or size.

Other notable features of the VIPER113LSTR include:

• Limiting current with adjustable set point
• Standby power consumption under 50 mW at 265VAC
• Low operating quiescent current
• Soft-start and safe auto-restart after a fault condition
• Thermal shutdown with hysteresis

The VIPER113LSTR is available in a compact SO-8 package, which makes it easy to integrate into various PCB layouts. Its thermal performance is optimized for high reliability, and the device also includes protections against overvoltage, overload, short-circuit, and over-temperature, ensuring safe operation and extended lifespan of the end product.

Whether you're designing power supplies for consumer electronics, home appliances, or industrial control systems, the VIPER113LSTR from STMicroelectronics offers a high-efficiency solution that can help reduce the overall size and cost of your power supply design while maintaining high performance and reliability.